Design of photonic crystal waveguide splitter based on self-imaging effect

gao yongfeng; zhou jun

Volume 22 Issue 09

Aug. 2010

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Abstract

References

Article Navigation > High Power Laser and Particle Beams > 2010 > 22(09): 0-

xun tao, yang han-wu, zhang jian-de, et al. Design of a ceramic radial insulation structure for a high current diode[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

gao yongfeng, zhou jun. Design of photonic crystal waveguide splitter based on self-imaging effect[J]. High Power Laser and Particle Beams, 2010, 22.

xun tao, yang han-wu, zhang jian-de, et al. Design of a ceramic radial insulation structure for a high current diode[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

gao yongfeng, zhou jun. Design of photonic crystal waveguide splitter based on self-imaging effect[J]. High Power Laser and Particle Beams, 2010, 22.

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Design of photonic crystal waveguide splitter based on self-imaging effect

gao yongfeng¹,
zhou jun^1,2

1.
Department of Optical Engineering,School of Mechanical Engineering,Jiangsu University,Zhenjiang 212013,China;
2.
Department of Physics,Faculty of Science,Ningbo University,Ningbo 315211,China

Publish Date: 2010-08-17

Abstract

Abstract

A novel photonic crystal 1×2 splitter is designed based on the self-imaging of multimode interferences in the two-dimensional square photonic crystal waveguides. The transmission characteristics of the splitter is analyzed numerically by the finite-difference time-domain method. In the design process of the photonic crystal waveguide splitter with two out ports, the positions of output waveguides are decided by the positions of the twofold image formed by the self-imaging effect of multimode interferences. The reflective losses are obviously decreased by inserting the dielectric rods, which can vary and match the mode field of the coupling zone, lying at the junctions between the multimode waveguide and single-mode waveguide. The results show that the transmittance of this splitter can be
- photonic crystal waveguide,
- self-imaging effect,
- multimode interference,
- mode match,
- splitter

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